Class Option Recommendations

Below, is a list of classes that may be updated with final or abstract.
The red stars mention possible upgrade by using final or abstract keywords; The green stars mention a valid absence of the option (an extended class, that can't be final, ...); The absence of star report currently configured classes. .

Final	Abstract	Name	Path
		class Net_URL2	\net_url2
		class Net_Whois extends PEAR	\net_whois
		class HTTP_Request2 implements SplSubject	\http_request2
		class HTTP_Request2_MultipartBody	\http_request2_multipartbody
		final class Cfg	\cfg
		class PEAR5	\pear5
		class PEAR_Error	\pear_error
		class Net_Socket extends PEAR	\net_socket
		class InfoView extends BaseAbstractClass	\infoview
		class Whoisdata extends BaseAbstractClass	\whoisdata
		class ParserStepThree extends AbstractParser	\parserstepthree
		class Crawler extends BaseAbstractClass	\crawler
		class StepThree extends Steps	\stepthree
		class simple_html_dom_node	\simple_html_dom_node
		class simple_html_dom	\simple_html_dom
		class CfgCron	\cfgcron
		class HTTP_Request2_Adapter_Curl extends HTTP_Request2_Adapter	\http_request2_adapter_curl
		class HTTP_Request2_Adapter_Socket extends HTTP_Request2_Adapter	\http_request2_adapter_socket
		class HTTP_Request2_Observer_Log implements SplObserver	\http_request2_observer_log
		class HTTP_Request2_CookieJar implements Serializable	\http_request2_cookiejar
		class HTTP_Request2_SOCKS5 extends HTTP_Request2_SocketWrapper	\http_request2_socks5
		class HTTP_Request2_Adapter_Mock extends HTTP_Request2_Adapter	\http_request2_adapter_mock
		class HTTP_Request2_Response	\http_request2_response
		class HTTP_Request2_LogicException extends HTTP_Request2_Exception	\http_request2_logicexception
		class HTTP_Request2_NotImplementedException extends HTTP_Request2_Exception	\http_request2_notimplementedexception
		class HTTP_Request2_MessageException extends HTTP_Request2_Exception	\http_request2_messageexception
		class HTTP_Request2_ConnectionException extends HTTP_Request2_Exception	\http_request2_connectionexception
		class CronStepThree extends CronSteps	\cronstepthree
		class CronWalker extends BaseAbstractClass	\cronwalker
		class StepOne extends Steps	\stepone
		class SocketCronRequest extends BaseAbstractClass	\socketcronrequest
		class DBProvider extends BaseAbstractClass	\dbprovider
		class ThreadsException extends Exception	\threadsexception
		class Threads	\threads
		class CronStepTwo extends CronSteps	\cronsteptwo
		final class Autoload	\autoload
		class CronStepOne extends CronSteps	\cronstepone
		class ParserStepOne extends AbstractParser	\parserstepone
		class ParserStepTwo extends AbstractParser	\parsersteptwo
		class AutocompleteAjax extends BaseAbstractClass	\autocompleteajax
		class StepTwo extends Steps	\steptwo
		abstract class Steps extends BaseAbstractClass	\steps
		class BaseAbstractClass	\baseabstractclass
		abstract class CronSteps extends BaseAbstractClass	\cronsteps
		abstract class AbstractParser extends BaseAbstractClass	\abstractparser
		abstract class HTTP_Request2_Adapter	\http_request2_adapter
		class PEAR	\pear